the nation!

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What is

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How to
Bust Limescale?

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Where is
Limescale worse?

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Don't underestimate limescale!


Limescale is formed when we heat hard water. In the UK there is a lot of hard water areas, resulting from rain water passing trough calciferous rocks where it is enriched with calcium carbonate.


It has a negative effect on all your small appliances, resulting in expensive maintenance, repair costs and reducing their efficiency, increasing the amount of energy they need.


It will cover your kettle with a nasty sediment and creates scum on your cup of tea.

It builds up on washing machine drums, so even more mineral deposits will be present in the wash damaging the garments of your clothes and shorten its life.

Your steam iron can spit nasty brown residue onto your freshly washed clothes.


It affects most in hard water areas, where you must Oust your appliances every 3 months, but also in soft water ones, where it is advisable to do it every 6 months.

Discover the water hardness
in your area!

Where do you live?

image/svg+xml Monaghan Cavan Wicklow Louth Meath Laois Westmeath Longford Tipperary Cork Leitrim Roscommon Fermanagh Armagh Tyrone Londonderry

Following the popularity of Oust's 'Descale the Nation' campaign, we are now out of stock of Limescale Busting Kits.
However, with winter being a key season for limescale to occur, you can Get Oust! to tackle the issue with our range of descalers at all major retailers, including Tesco and ASDA starting at RRP £1.66

Oust Descaler